A set of keys _____on the desk. My pen and my pencil_____ in my pencil box. A. is;is B. is; am C. is; are
I do well in playing football, _______. (我妹妹也行。)
It's very nice ________ you to get me two tickets ______the World Cup.
_______bad weather we are having !We've never had_______ rainy days.
____________the window. What's happening there?
____________of the twins passed the exam because they worked hard at their lessons.